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Pharmaceutical analytical standards

Active ingredients, pharmacopoeial impurities, metabolites, nitrosamines and labelled standards.

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Results 1,251-1,260 of 36,550

Tadalafil Impurity 49

ImpurityLevels of characterisation
Cat. No.
P-T005-113
Formula
C22H22N4O3
Family
Tadalafil
Synonyms
(2R)-2-[[(2R)-2-Amino-3-(1H-indol-3-yl)propanoyl]amino]-3-(1H-indol-3-yl)propanoic acid

Tadalafil Impurity 51

ImpurityLevels of characterisation
Cat. No.
P-T005-115
Formula
C22H20N2O6
Family
Tadalafil
Synonyms
Methyl (1R,3R)-1-(1,3-benzodioxol-5-yl)-2-(2-hydroxyacetyl)-1,3,4,9-tetrahydropyrido[3,4-b]indole-3-carboxylate

Tadalafil Impurity 52

ImpurityLevels of characterisation
Cat. No.
P-T005-116
Formula
C22H19ClN2O5
Family
Tadalafil
Synonyms
Methyl (1R,3R)-1-(1,3-benzodioxol-5-yl)-9-(2-chloroacetyl)-1,2,3,4-tetrahydropyrido[3,4-b]indole-3-carboxylate

Tadalafil Impurity 53

ImpurityLevels of characterisation
Cat. No.
P-T005-117
Formula
C24H20Cl2N2O6
Family
Tadalafil
Synonyms
Methyl (1R,3R)-1-(1,3-benzodioxol-5-yl)-2,9-bis(2-chloroacetyl)-3,4-dihydro-1H-pyrido[3,4-b]indole-3-carboxylate

Tadalafil Impurity 54

ImpurityLevels of characterisation
Cat. No.
P-T005-118
Formula
C22H20ClN3O4
Family
Tadalafil
Synonyms
(1R,3R)-1-(1,3-Benzodioxol-5-yl)-9-(2-chloroacetyl)-N-methyl-1,2,3,4-tetrahydropyrido[3,4-b]indole-3-carboxamide

Tadalafil Impurity 55

ImpurityLevels of characterisation
Cat. No.
P-T005-119
Formula
C24H21Cl2N3O5
Family
Tadalafil
Synonyms
(1R,3R)-1-(1,3-Benzodioxol-5-yl)-2,9-bis(2-chloroacetyl)-N-methyl-3,4-dihydro-1H-pyrido[3,4-b]indole-3-carboxamide

Tadalafil Impurity 56

ImpurityLevels of characterisation
Cat. No.
P-T005-120
Formula
C27H27N3O4
Family
Tadalafil
Synonyms
(2R,8R)-2-(1,3-Benzodioxol-5-yl)-6-cyclohexyl-3,6,17-triazatetracyclo[8.7.0.03,8.011,16]heptadeca-1(10),11,13,15-tetraene-4,7-dione

Tadalafil Impurity 57

ImpurityLevels of characterisation
Cat. No.
P-T005-121
Formula
C22H18ClN3O4
Family
Tadalafil
Synonyms
(2R,8R)-2-(1,3-Benzodioxol-5-yl)-5-chloro-6-methyl-3,6,17-triazatetracyclo[8.7.0.03,8.011,16]heptadeca-1(10),11,13,15-tetraene-4,7-dione

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